Michael leaves behind wife, Stacy Vuduris, who he married back in 2007.

According to another TMZ, Michael was in a 'great amount of pain' after injuring his ankle.

The singer visited a doctor after the 'swelling and bruising had made their way up his leg.' He was allegedly cleared to go home by doctors, but was found dead the following afternoon on his friend's couch. He reportedly died in his sleep.

Fox paid tribute to the singer, saying: "Michael Johns was an incredible talent and we are deeply saddened by the news of his passing.

"He was a part of our American Idol family and he will be truly missed. Our hearts and prayers go out to his family and friends during this difficult time."

The singer's family has also released a statement thanking everyone for "the outpouring of love and support."

"Our family is devastated by the passing of our beloved Michael, a wonderful husband, son, brother, uncle, and friend," it said.

"We appreciate the outpouring of love and support we have received from all corners of the globe. Please keep Michael in your thoughts and respect our need to grieve privately in this difficult time."

Tributes poured in, in memory of the singer.

Simon Cowell, the AmericanIdol judge has paid tribute to Michael Johns after his death.